An underground city is a series of linked subterranean spaces that may provide a defensive refuge; a place for living, working or shopping; a transit system; mausolea; wine or storage cellars; cisterns or drainage channels; or several of these. Underground cities may be currently active modern creations or they may be historic including ancient sites, some of which may be all or partially open to the public.
Downtown Los Angeles (DTLA) is the central business district of Los Angeles, California. In addition, it contains a diverse residential area of some 85,000 people, and covers 5.84 sq mi (15.1 km2). A 2013 study found that the district is home to over 500,000 jobs. It is also part of Central Los Angeles.
One Worldwide Plaza is the largest tower of a three-building, mixed-use commercial and residential complex in the Hell's Kitchen neighborhood of Manhattan, New York City. The complex, known collectively as Worldwide Plaza, was completed in 1989.
Tower City Center is a large mixed-use facility in Downtown Cleveland, Ohio, on its Public Square. The facility is composed of a number of interconnected office buildings, including Terminal Tower, the Avenue shopping mall, Jack Cleveland Casino, Renaissance Cleveland Hotel, Chase Financial Plaza, and Tower City station, the main hub of Cleveland's four RTA Rapid Transit lines.
Path is a network of underground pedestrian tunnels, elevated walkways, and at-grade walkways connecting the office towers of Downtown Toronto, Ontario, Canada. It connects more than 70 buildings via 30 kilometres (19 mi) of tunnels, walkways, and shopping areas. According to Guinness World Records, Path is the largest underground shopping complex in the world, with 371,600 square metres (4,000,000 sq ft) of retail space which includes over 1,200 retail fronts (2016). As of 2016, over 200,000 residents and workers use the Path system daily with the number of private dwellings within walking distance at 30,115.
The Renaissance Center is a group of seven connected skyscrapers in Downtown Detroit, Michigan, United States. The Renaissance Center complex is on the Detroit International Riverfront and is owned by General Motors as its world headquarters. It has been the tallest building in Michigan since it was erected in 1977.
A festival marketplace is a European-style shopping market in the United States. It is an effort to revitalize downtown areas in major US cities begun in the late 20th century.
Cray Plaza, located in the Lowertown neighborhood of Saint Paul, Minnesota, United States, provides space for working, living, eating, and recreating on one square city block opened in 1986.
Downtown Cleveland is the central business district of Cleveland, Ohio. The economic and symbolic center of the city and the Cleveland-Akron-Canton, OH Combined Statistical Area, it is Cleveland's oldest district, with its Public Square laid out by city founder General Moses Cleaveland in 1796. Downtown's diverse architecture includes the Cleveland Mall, one of the most complete examples of City Beautiful design in the United States.
Downtown Memphis, Tennessee is the central business district of Memphis, Tennessee and is located along the Mississippi River between Interstate 40 to the north, Interstate 55 to the south and I-240 to the east, where it abuts Midtown Memphis.
Riverside Plaza is a modernist and brutalist apartment complex designed by Ralph Rapson that opened in Minneapolis, Minnesota in 1973. Situated on the edge of downtown Minneapolis in the Cedar-Riverside neighborhood, and next to both the University of Minnesota's West Bank and Augsburg University, the site contains the 39-story McKnight Building, the tallest structure outside of the city's central business district. Initially known as Cedar Square West, the complex was renamed when an investor group bought it out of receivership in 1988.
Bandana Square, formerly the Como Shops of the Northern Pacific Railway, is currently an office center. However, it was originally designed to be an enclosed shopping center in the Energy Park neighborhood of Saint Paul, Minnesota. The site is in the National Register of Historic Places.
Downtown Toronto is the main central business district of Toronto, Ontario, Canada. Located entirely within the district of Old Toronto, it is approximately 16.6 square kilometres in area, bounded by Bloor Street to the northeast and Dupont Street to the northwest, Lake Ontario to the south, the Don Valley to the east, and Bathurst Street to the west. It is also the home of the municipal government of Toronto and the Government of Ontario.
Midtown Plaza (1962–2008) was an indoor shopping mall in downtown Rochester, New York, the first urban indoor mall in the United States. The site is a city district that is being redeveloped for a variety of uses.
The urban development patterns of Lexington, Kentucky, confined within an urban growth boundary that protects its famed horse farms, include greenbelts and expanses of land between it and the surrounding towns. This has been done to preserve the region's horse farms and the unique Bluegrass landscape, which bring millions of dollars to the city through the horse industry and tourism. Urban growth is also tightly restricted in the adjacent counties, with the exception of Jessamine County, with development only allowed inside existing city limits. In order to prevent rural subdivisions and large homes on expansive lots from consuming the Bluegrass landscape, Fayette and all surrounding counties have minimum lot size requirements, which range from 10 acres (40,000 m2) in Jessamine to fifty in Fayette.
Republic Center is a mixed-use complex at 300 N. Ervay Street and 325 N. St. Paul Street in the City Center District of downtown Dallas, Texas (USA), adjacent to Thanks-giving Square. The complex is located diagonally across the street from DART's St. Paul Station, which serves its Blue, Red, Orange, and Green light rail lines. It also contains part of the Dallas Pedestrian Network, with shops and restaurants in the lower levels of the building and is connected to the Bullington Truck Terminal.
Downtown Oklahoma City is located at the geographic center of the Oklahoma City metropolitan area and contains the principal, central business district of the region. The CBD has over 51,000 workers and over 12,000,000 sq ft (1,100,000 m2) of leasable office space to-date. Downtown Oklahoma City is the legal, financial, economic, nightlife, and entertainment center of the region.
The Detroit International Riverfront is a tourist attraction and landmark of Detroit, Michigan extending from the Ambassador Bridge in the west to Belle Isle in the east, for a total of 5.5 miles. The International Riverfront encompasses a cruise ship passenger terminal and dock, a marina, a multitude of parks, restaurants, retail shops, skyscrapers, and high rise residential areas along with TCF Center. The Marriott at the Renaissance Center and the Robert's Riverwalk Hotel are also situated along the International Riverfront. Private companies and foundations together with the city, state, and federal government have contributed several hundred million dollars toward the riverfront development. Key public spaces in the International Riverfront, such as the RiverWalk, Dequindre Cut Greenway and Trail, William G. Milliken State Park and Harbor, and a cruise ship passenger terminal and dock at Hart Plaza complement the architecture of the area. The area provides a venue for a variety of annual events and festivals including the Detroit Electronic Music Festival, Detroit Free Press International Marathon, the Detroit International Jazz Festival, Motor City Pride, the North American International Auto Show, River Days and Detroit China Festival. In February 2021, the Detroit International Riverfront was voted best riverwalk in the United States by USA Today readers.
Downtown Dallas is the central business district (CBD) of Dallas, Texas, United States, located in the geographic center of the city. It is the second-largest business district in the state of Texas. The area termed "Downtown" has traditionally been defined as bounded by the downtown freeway loop, bounded on the east by I-345 (although known and signed as the northern terminus of I-45 and the southern terminus of US 75, on the west by I-35E, on the south by I-30, and on the north by Spur 366.
UBS Plaza is a 25-story high-rise office building in downtown St. Paul, Minnesota. The building was completed in 1980 as part of the Town Square mixed-use complex. It is occupied by UBS Financial Services, architecture firm TKDA, and several law firms.
